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   alt.msdos.batch.nt      Fun with Windows NT batch files      68,980 messages   

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   Message 67,935 of 68,980   
   Robert Prins to Kenny McCormack   
   Re: How Do I Capture Screen Text Into a    
   27 Aug 22 22:13:54   
   
   From: robert@prino.org   
      
   On 2022-08-27 13:19, Kenny McCormack wrote:   
   > In article ,   
   > Peter   wrote:   
   >> How do I capture text on the screen into a variable in a batch file?   
   >> Specifically, this is what I need to do:   
   >>   
   >> 1.	The batch file will issue a command to check the status of   
   >> something in the PC.   
   >>   
   >> 2.	The PC will respond with about 6 lines of text on the screen (the   
   >> 3rd line is blank).   
   >>   
   >> 3.	I need to capture that text   
   >>   
   >> 4.	The batch file will then check the first three words on the 4th   
   >> line of text and will then GOTO depending on the first three words.   
   >>   
   >> I need some help with steps 3 & 4.   
   >>   
   >> For step 3, how do I capture that text as it is displayed on the screen? I   
   >> assume it goes into a variable but I dont know how to get that screen text   
   >> into a variable.   
   >>   
   >> For step 4, how do I get the batch file to look at the first three words   
   >> on line four?   
   >>   
   >> Thanks!   
   >   
   > For this question to be even mildly interesting, it has to be assumed that   
   > simple redirection (i.e., program > file) and then parsing the resulting   
   > file is not an option.  This can happen in the real world with programs   
   > that, for whatever reason(s), insist on writing to the screen and won't   
   > send their output to a file via simple redirection.   
   >   
   > Assuming this to be the case, then you will have to come up with a way to   
   > pick off the information from the screen itself.  AFAIK, there is no way to   
   > do this in pure batch, but it is easy enough done using some "real"   
   > scripting language; one that can access and execute the   
   > ReadConsoleOutputCharacters() API.  I know how to do this (and have done   
   > so) in WinBatch.  I'm sure some enterprising soul will come along and tell   
   > you how to do it in VBScript (or whatever they are calling it nowadays).   
      
   I've done this, on pure DOS, in the past. The key is to read the video segment   
   with debug, move the read data into a buffer left into the start of the debug   
   script, and writing out that buffer as a text file.   
      
   Robert   
   --   
   Robert AH Prins   
   robert(a)prino(d)org   
   The hitchhiking grandfather - https://prino.neocities.org/   
   Some REXX code for use on z/OS - https://prino.neocities.org/zOS/zOS-Tools.html   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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